Wire activity context

Author: dandavison

temporalio/worker/_workflow_instance.py

@@ -758,9 +758,22 @@ def _apply_resolve_activity(
             ret: Optional[Any] = None
             if job.result.completed.HasField("result"):
                 ret_types = [handle._input.ret_type] if handle._input.ret_type else None
+                context = temporalio.converter.ActivitySerializationContext(
+                    namespace=self._info.namespace,
+                    workflow_id=self._info.workflow_id,
+                    workflow_type=self._info.workflow_type,
+                    activity_type=handle._input.activity,
+                    activity_task_queue=(
+                        handle._input.task_queue or ""
+                        if isinstance(handle._input, StartActivityInput)
+                        else ""
+                    ),
+                    is_local=isinstance(handle._input, StartLocalActivityInput),
+                )
                 ret_vals = self._convert_payloads(
                     [job.result.completed.result],
                     ret_types,
+                    context,
                 )
                 ret = ret_vals[0]
             handle._resolve_success(ret)